public class Var03 {
	public static void main(String[] args) {
		System.out.println(100 + 98);//198
		System.out.println("100" + 98);//10098
		System.out.println(100 + 3 + "hello");//103hello
		System.out.println("hello" + 100 + 3);//hello1003
	}
}